HIR Typecheck Expr - Allow coercing borrows to "lower" pointers (mut->const)
HIR Typecheck Expr - Allow coercing borrows to "lower" pointers (mut->const)

thepowersgang/mrustc,thepowersgang/mrustc,thepowersgang/mrustc,thepowersgang/mrustc,thepowersgang/mrustc